To check the status of the Windows firewall with PowerShell, type the following: $FWProfiles = (Get-NetFirewallProfile); Write-Host "Windows Firewall Profile Statuses" -Foregroundcolor Yellow; $FWProfiles | %{ If($.Enabled -eq 1){ Write-Host "The Windows Firewall $($.Name) profile is enabled" -Foregroundcolor Green …

Read More

On Wednesday 3 October 2018 the Apache Software Foundation has released information about an Open Redirect vulnerability in Apache Struts 2. The vulnerability received identifier CVE-2018-11784. The vulnerability announcements describes the vulnerability as follows: When the default servlet returned a redirect to a …

Read More

A security vulnerability exists in the firmware of certain Infineon Trusted Platform Module (TPM) chipsets. The vulnerability weakens key strength. It is weakened so much that it is possible to derive the private key from the public key for RSA key pairs of up to 2048-bit. This page contains a number of manners in …

Read More

When running the WSUS Server Cleanup Wizard from the MMC snap-in, it can occur that you receive the following WSUS database error: Error: Database Error An error occurred when trying to perform a database operation. This can happen if the database is very busy, if the database service is stopped, if the connection to …

Read More

With both WannaCry and NotPetya using MS17-010 for propagation it is important to be able to detect servers which are vulnerable. This vulnerability has been assigned CVE-2017-0143. The vulnerability is also often nicknamed EternalBlue. This page explains how you can scan for it from a Windows machine using nmap. The …

Read More

On March 6, 2017, Apache disclosed a vulnerability in the Jakarta multipart parser used in Apache Struts2 that could allow an attacker to execute commands remotely on the targeted system using a crafted Content-Type header value. This vulnerability has been assigned CVE-ID CVE-2017-5638. This page explains how you can …

Read More

Not everyone is vulnerable to the potential attack vector that researchers from INRIA, a French research institute, and Microsoft disclosed recently. In order to be vulnerable, the computer or server must support a class of deliberately weak export cipher suites. Support for these weak algorithms has remained in many …

Read More

All mail server administrators will have encountered the following problem: spammers send out spam and they spoof the mails so that the sender appears to be a user in the domain you are managing. Unfortunately there is not a lot that can be done to prevent spammers from sending such these spam mail. There is however a …

Read More

Researchers from the Google Security Team have published findings about a vulnerability in SSL 3.0. CVE-­2014­-3566 has been allocated for this protocol vulnerability. It is possible to use nmap to scan for the presence of this vulnerability by doing a scan on the supported SSL/TLS protocols. This post shows how to scan for the POODLE weakness using nmap.

Read More

You may have heard of “Heartbleed”, a flaw in OpenSSL that could allow the theft of data normally protected by SSL/TLS encryption. It is possible to scan for the presence of this vulnerability using different methods. This page explains how you can scan for it from a Windows machine using nmap. Added April 15th, 2014: …

Read More